org.apache.hadoop.mapreduce.lib.db
Class DateSplitter
java.lang.Object
org.apache.hadoop.mapreduce.lib.db.IntegerSplitter
org.apache.hadoop.mapreduce.lib.db.DateSplitter
- All Implemented Interfaces:
- DBSplitter
public class DateSplitter
- extends IntegerSplitter
Implement DBSplitter over date/time values.
Make use of logic from IntegerSplitter, since date/time are just longs
in Java.
Method Summary |
List<InputSplit> |
split(Configuration conf,
ResultSet results,
String colName)
Given a ResultSet containing one record (and already advanced to that record)
with two columns (a low value, and a high value, both of the same type), determine
a set of splits that span the given values. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
DateSplitter
public DateSplitter()
split
public List<InputSplit> split(Configuration conf,
ResultSet results,
String colName)
throws SQLException
- Description copied from interface:
DBSplitter
- Given a ResultSet containing one record (and already advanced to that record)
with two columns (a low value, and a high value, both of the same type), determine
a set of splits that span the given values.
- Specified by:
split
in interface DBSplitter
- Overrides:
split
in class IntegerSplitter
- Throws:
SQLException
Copyright © 2009 The Apache Software Foundation